淡江大學機構典藏:Item 987654321/60375
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    题名: Heat Transfer Enhancement in Cool-Thermal Discharge Systems from Ice Melting with Time-Velocity Variations
    作者: Ho, Chii-Dong;Tu, Jr-Wei;Hsien, Tsung-Lieh;Chang, Hsuan;Chen, Tsung-Ching
    贡献者: 淡江大學化學工程與材料工程學系
    关键词: Heat transfer;Chilled air;Cool-thermal discharge
    日期: 2010-08-01
    上传时间: 2011-10-13 22:33:25 (UTC+8)
    出版者: Kidlington: Pergamon
    摘要: A mathematical model for the cool-thermal discharge systems which produce chilled air by melting ice to supply on-peak daytime air-conditioning needs under time-velocity variations and external recycle was developed. The model resolves the moving liquid–solid interface problem with the integral boundary-layer analysis method. For specified target of the outlet air temperature, time variation of the air velocity can be theoretically predicted for the given ambient air inlet temperature functions. The heat transfer efficiency can be improved by employing the external recycle design under the expense of power consumption. The analysis indicates that the recycle effect is more significant for the case with higher outlet air temperature target. Besides, optimal reflux ratio exists for the analyzed system.
    關聯: International Communications in Heat and Mass Transfer 37(7), pp.815-821
    DOI: 10.1016/j.icheatmasstransfer.2010.05.017
    显示于类别:[化學工程與材料工程學系暨研究所] 期刊論文

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